Comment 2 for bug 369646

/var/logs/syslog related :

May 4 22:47:30 fingertried NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.vpnc'...
May 4 22:47:30 fingertried NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.vpnc' started (org.freedesktop.NetworkManager.vpnc), PID 17264
May 4 22:47:30 fingertried NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.vpnc' just appeared, activating connections
May 4 22:47:30 fingertried NetworkManager: nm-vpn-connection.c.900: NeedSecrets failed: dbus-glib-error-quark Rejected send message, 1 matched rules; type="method_call", sender=":1.8" (uid=0 pid=2778 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo") interface="org.freedesktop.NetworkManager.VPN.Plugin" member="NeedSecrets" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager.vpnc" (uid=0 pid=17264 comm="/usr/lib/network-manager-vpnc/nm-vpnc-service "))
May 4 22:47:30 fingertried NetworkManager: <WARN> connection_state_changed(): Rejected send message, 1 matched rules; type="method_call", sender=":1.8" (uid=0 pid=2778 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo") interface="org.freedesktop.NetworkManager.VPN.Plugin" member="Disconnect" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager.vpnc" (uid=0 pid=17264 comm="/usr/lib/network-manager-vpnc/nm-vpnc-service "))
May 4 22:47:30 fingertried NetworkManager: <info> (eth1): writing resolv.conf to /sbin/resolvconf
May 4 22:47:30 fingertried NetworkManager: <info> Policy set 'Auto gillesgali' (eth1) as default for routing and DNS.

I have try with and without resolvconf package